| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3229 |
90.9%
|
| 2 | I don't smoke now | 142 |
4%
|
| 3 | Yes | 161 |
4.5%
|
| 4 | No | 19 |
0.5%
|
| Sysmiss | 2 |